426434519172 has 96 divisors (see below), whose sum is σ = 1050815711232. Its totient is φ = 134457687936.

The previous prime is 426434519167. The next prime is 426434519179. The reversal of 426434519172 is 271915434624.

It is not an unprimeable number, because it can be changed into a prime (426434519179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896303 + ... + 2109225.

It is an arithmetic number, because the mean of its divisors is an integer number (10945996992).

Almost surely, 2^426434519172 is an apocalyptic number.

It is an amenable number.

426434519172 is an abundant number, since it is smaller than the sum of its proper divisors (624381192060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426434519172 is a wasteful number, since it uses less digits than its factorization.

426434519172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213097 (or 213095 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 426434519172 in words is "four hundred twenty-six billion, four hundred thirty-four million, five hundred nineteen thousand, one hundred seventy-two".